HCAMP PCSS
Data Exploration
Preliminary data exploration of all data sets extracted:
- One post-injury test (not merged with SIMS data)
- Two post-injury tests (not merged with SIMS data)
- Three post-injury tests (not merged with SIMS data)
- Four post-injury tests (not merged with SIMS data)
- One post-injury test (merged with SIMS)
- Two post-injury tests (merged with SIMS)
- Three post-injury tests (merged with SIMS)
- Four post-injury tests (merged with SIMS)
Of note, age range for all data sets was filtered to individuals between 12 - 18 years old.
Number of Observations per Data Set
| Data Set | Number of Observations |
|---|---|
| One post-injury test (not merged with SIMS) | 9,991 |
| One post-injury test (merged with SIMS) | 257 |
| Two post-injury tests (not merged with SIMS) | 5,295 |
| Two post-injury tests (merged with SIMS) | 341 |
| Three post-injury tests (not merged with SIMS) | 2,228 |
| Three post-injury tests (merged with SIMS) | 143 |
| Four post-injury tests (not merged with SIMS) | 780 |
| Four post-injury tests (merged with SIMS) | 40 |
PCSS Score Description
| Symptom Cluster | Number of Items | Total Possible Score |
|---|---|---|
| Headache-Migraine Cluster | 3 | 18 |
| Anxiety-Mood Cluster | 5 | 30 |
| Cognitive Cluster | 4 | 24 |
| Ocular-Motor Cluster | 1 | 6 |
| Vestibular Cluster | 4 | 24 |
| Sleep Cluster | 5 | 30 |
| Total Symptom Score | 22 | 132 |
One Post-Injury Test (not merged with SIMS data)
Gender
Age
PCSS Summary
Total Symptom Score
Headache-Migraine Cluster
Anxiety-Mood Cluster
Cognitive Symptom Cluster
Ocular-Motor Cluster
Vestibular Cluster
Sleep Cluster
Two Post-Injury Tests (not merged with SIMS data)
Gender
Age Test 1
Age Test 2
PCSS Summary
Total Symptom Score 1
Total Symptom Score 2
Headache-Migraine Cluster 1
Headache-Migraine Cluster 2
Anxiety-Mood Cluster 1
Anxiety-Mood Cluster 2
Cognitive Symptom Cluster 1
Cognitive Symptom Cluster 2
Ocular-Motor Cluster 1
Ocular-Motor Cluster 2
Vestibular Cluster 1
Vestibular Cluster 2
Sleep Cluster 1
Sleep Cluster 2
Three Post-Injury Tests (not merged with SIMS data)
Gender
Age Test 1
Age Test 2
Age Test 3
PCSS Summary
Total Symptom Score 1
Total Symptom Score 2
Total Symptom Score 3
Headache-Migraine Cluster 1
Headache-Migraine Cluster 2
Headache-Migraine Cluster 3
Anxiety-Mood Cluster 1
Anxiety-Mood Cluster 2
Anxiety-Mood Cluster 3
Cognitive Symptom Cluster 1
Cognitive Symptom Cluster 2
Cognitive Symptom Cluster 3
Ocular-Motor Cluster 1
Ocular-Motor Cluster 2
Ocular-Motor Cluster 3
Vestibular Cluster 1
Vestibular Cluster 2
Vestibular Cluster 3
Sleep Cluster 1
Sleep Cluster 2
Sleep Cluster 3
Four Post-Injury Tests (not merged with SIMS data)
Gender
Age Test 1
Age Test 2
Age Test 3
Age Test 4
PCSS Summary
Total Symptom Score 1
Total Symptom Score 2
Total Symptom Score 3
Total Symptom Score 4
Headache-Migraine Cluster 1
Headache-Migraine Cluster 2
Headache-Migraine Cluster 3
Headache-Migraine Cluster 4
Anxiety-Mood Cluster 1
Anxiety-Mood Cluster 2
Anxiety-Mood Cluster 3
Anxiety-Mood Cluster 4
Cognitive Symptom Cluster 1
Cognitive Symptom Cluster 2
Cognitive Symptom Cluster 3
Cognitive Symptom Cluster 4
Ocular-Motor Cluster 1
Ocular-Motor Cluster 2
Ocular-Motor Cluster 3
Ocular-Motor Cluster 4
Vestibular Cluster 1
Vestibular Cluster 2
Vestibular Cluster 3
Vestibular Cluster 4
Sleep Cluster 1
Sleep Cluster 2
Sleep Cluster 3
Sleep Cluster 4
Non-merged Data Summary
Overall, average symptom severity decreases with consecutive testing. Also, the average symptom severity score is lower for individuals who complete one post-injury test that individuals who complete multiple post-injury tests, suggesting symptom severity on the first post-injury test is predictive of requiring multiple post-injury tests.
One post-injury test
9,991 concussion injuries
| Symptom Cluster | Mean Test 1 | SD Test 1 |
|---|---|---|
| Headache-Migraine Cluster | 2.45 | 3.2 |
| Anxiety-Mood Cluster | 1.57 | 3.39 |
| Cognitive Cluster | 2.36 | 3.9 |
| Ocular-Motor Cluster | 0.29 | 0.82 |
| Vestibular Cluster | 1.57 | 2.82 |
| Sleep Cluster | 2.45 | 3.85 |
| Total Symptom Score | 10.7 | 15.57 |
Two post-injury tests
5,295 concussion injuries
| Symptom Cluster | Mean Test 1 | SD Test 1 | Mean Test 2 | SD Test 2 |
|---|---|---|---|---|
| Headache-Migraine Cluster | 3.02 | 3.4 | 0.94 | 1.89 |
| Anxiety-Mood Cluster | 1.91 | 3.68 | 0.56 | 1.88 |
| Cognitive Cluster | 2.98 | 4.23 | 0.95 | 2.37 |
| Ocular-Motor Cluster | 0.36 | 0.92 | 0.1 | 0.44 |
| Vestibular Cluster | 2.01 | 3.1 | 0.45 | 1.37 |
| Sleep Cluster | 3.02 | 4.16 | 0.94 | 2.23 |
| Total Symptom Score | 13.31 | 16.76 | 3.94 | 8.62 |
Three post-injury tests
2,228 concussion injuries
| Symptom Cluster | Mean Test 1 | SD Test 1 | Mean Test 2 | SD Test 2 | Mean Test 3 | SD Test 3 |
|---|---|---|---|---|---|---|
| Headache-Migraine Cluster | 3.55 | 3.6 | 1.34 | 2.23 | 0.57 | 1.45 |
| Anxiety-Mood Cluster | 2.32 | 3.99 | 0.76 | 2.17 | 0.39 | 1.62 |
| Cognitive Cluster | 3.68 | 4.67 | 1.39 | 2.86 | 0.63 | 1.98 |
| Ocular-Motor Cluster | 0.45 | 1 | 0.13 | 0.5 | 0.06 | 0.33 |
| Vestibular Cluster | 2.48 | 3.39 | 0.68 | 1.66 | 0.26 | 1.06 |
| Sleep Cluster | 3.62 | 4.47 | 1.37 | 2.69 | 0.59 | 1.79 |
| Total Symptom Score | 16.09 | 18.1 | 5.68 | 10.28 | 2.49 | 6.96 |
Four post-injury tests
780 concussion injuries
| Symptom Cluster | Mean Test 1 | SD Test 1 | Mean Test 2 | SD Test 2 | Mean Test 3 | SD Test 3 | Mean Test 4 | SD Test 4 |
|---|---|---|---|---|---|---|---|---|
| Headache-Migraine Cluster | 4.04 | 3.66 | 1.83 | 2.54 | 0.99 | 1.91 | 0.6 | 1.66 |
| Anxiety-Mood Cluster | 2.7 | 4.3 | 1.07 | 2.64 | 0.63 | 2.04 | 0.43 | 1.99 |
| Cognitive Cluster | 4.31 | 5.02 | 2.08 | 3.5 | 1.12 | 2.65 | 0.68 | 2.37 |
| Ocular-Motor Cluster | 0.56 | 1.15 | 0.18 | 0.58 | 0.09 | 0.41 | 0.07 | 0.41 |
| Vestibular Cluster | 3.06 | 3.72 | 1.03 | 2.11 | 0.48 | 1.52 | 0.29 | 1.36 |
| Sleep Cluster | 4.28 | 4.85 | 1.98 | 3.25 | 0.98 | 2.35 | 0.54 | 1.87 |
| Total Symptom Score | 18.95 | 19.51 | 8.17 | 12.36 | 4.28 | 9.27 | 2.62 | 8.6 |
One Post-Injury Test (merged with SIMS data)
Gender
Age
PCSS Summary
Total Symptom Score
Headache-Migraine Cluster
Anxiety-Mood Cluster
Cognitive Symptom Cluster
Ocular-Motor Cluster
Vestibular Cluster
Sleep Cluster
RTL/RTP Summary
Injury Onset to Test Date
Injury Onset to RTL Completion
Injury Onset to RTP Completion
Plot 1
Plot 2
Plot 3
Two Post-Injury Tests (merged with SIMS data)
Gender
Age Test 1
Age Test 2
PCSS Summary
Total Symptom Score 1
Total Symptom Score 2
Headache-Migraine Cluster 1
Headache-Migraine Cluster 2
Anxiety-Mood Cluster 1
Anxiety-Mood Cluster 2
Cognitive Symptom Cluster 1
Cognitive Symptom Cluster 2
Ocular-Motor Cluster 1
Ocular-Motor Cluster 2
Vestibular Cluster 1
Vestibular Cluster 2
Sleep Cluster 1
Sleep Cluster 2
RTL/RTP Summary
Injury Onset to Test Date 1
Injury Onset to Test Date 2
Injury Onset to RTL Completion
Injury Onset to RTP Completion
Plot 1
Plot 2
Plot 3
Plot 4
Plot 5
Plot 6
Three Post-Injury Tests (merged with SIMS data)
Gender
Age Test 1
Age Test 2
Age Test 3
PCSS Summary
Total Symptom Score 1
Total Symptom Score 2
Total Symptom Score 3
Headache-Migraine Cluster 1
Headache-Migraine Cluster 2
Headache-Migraine Cluster 3
Anxiety-Mood Cluster 1
Anxiety-Mood Cluster 2
Anxiety-Mood Cluster 3
Cognitive Symptom Cluster 1
Cognitive Symptom Cluster 2
Cognitive Symptom Cluster 3
Ocular-Motor Cluster 1
Ocular-Motor Cluster 2
Ocular-Motor Cluster 3
Vestibular Cluster 1
Vestibular Cluster 2
Vestibular Cluster 3
Sleep Cluster 1
Sleep Cluster 2
Sleep Cluster 3
RTL/RTP Summary
Injury Onset to Test Date 1
Injury Onset to Test Date 2
Injury Onset to Test Date 3
Injury Onset to RTL Completion
Injury Onset to RTP Completion
Plot 1
Plot 2
Plot 3
Plot 4
Plot 5
Plot 6
Plot 7
Plot 8
Plot 9
Plot 10
Four Post-Injury Tests (merged with SIMS data)
Gender
Age Test 1
Age Test 2
Age Test 3
Age Test 4
PCSS Summary
Total Symptom Score 1
Total Symptom Score 2
Total Symptom Score 3
Total Symptom Score 4
Headache-Migraine Cluster 1
Headache-Migraine Cluster 2
Headache-Migraine Cluster 3
Headache-Migraine Cluster 4
Anxiety-Mood Cluster 1
Anxiety-Mood Cluster 2
Anxiety-Mood Cluster 3
Anxiety-Mood Cluster 4
Cognitive Symptom Cluster 1
Cognitive Symptom Cluster 2
Cognitive Symptom Cluster 3
Cognitive Symptom Cluster 4
Ocular-Motor Cluster 1
Ocular-Motor Cluster 2
Ocular-Motor Cluster 3
Ocular-Motor Cluster 4
Vestibular Cluster 1
Vestibular Cluster 2
Vestibular Cluster 3
Vestibular Cluster 4
Sleep Cluster 1
Sleep Cluster 2
Sleep Cluster 3
Sleep Cluster 4
RTL/RTP Summary
Injury Onset to Test Date 1
Injury Onset to Test Date 2
Injury Onset to Test Date 3
Injury Onset to Test Date 4
Injury Onset to RTL Completion
Injury Onset to RTP Completion
Plot 1
Plot 2
Plot 3
Plot 4
Plot 5
Plot 6
Plot 7
Plot 8
Plot 9
Plot 10
Plot 11
Plot 12
Plot 13
Plot 14
Plot 15
Merged Data Summary
Overall, the average duration of time from injury onset to RTL completion (RTP step 2) was shorter than the average duration of time from injury onset to post-injury test 1.
One post-injury test
257 concussion injuries
| Benchmark | Mean | SD |
|---|---|---|
| Onset to Test 1 | 5.21 days | 4.91 days |
| Onset to RTL completion | 3.84 days | 4.09 days |
| Onset to RTP completion | 20.99 days | 11.6 days |
Two post-injury tests
341 concussion injuries
| Benchmark | Mean | SD |
|---|---|---|
| Onset to Test 1 | 4.91 days | 4.68 days |
| Onset to Test 2 | 9.72 days | 5.89 days |
| Onset to RTL completion | 3.87 days | 4.16 days |
| Onset to RTP completion | 21.23 days | 10.12 days |
Three post-injury tests
143 concussion injuries
| Benchmark | Mean | SD |
|---|---|---|
| Onset to Test 1 | 5.18 days | 5.03 days |
| Onset to Test 2 | 9.78 days | 5.61 days |
| Onset to Test 3 | 14.59 days | 6.97 days |
| Onset to RTL completion | 3.86 days | 4.02 days |
| Onset to RTP completion | 25.02 days | 10.97 days |
Four post-injury tests
40 concussion injuries
| Benchmark | Mean | SD |
|---|---|---|
| Onset to Test 1 | 6.5 days | 6.3 days |
| Onset to Test 2 | 12.57 days | 6.52 days |
| Onset to Test 3 | 17.4 days | 7.52 days |
| Onset to Test 4 | 23.82 days | 9.55 days |
| Onset to RTL completion | 5.05 days | 5.25 days |
| Onset to RTP completion | 33.9 days | 11.82 days |
Similar to the non-merged data, average total symptom severity scores decrease with consecutive testing. Additionally, the average symptom severity scores on test 1 are higher for individuals who complete multiple post-injury tests.
One post-injury test
257 concussion injuries
| Symptom Cluster | Mean Test 1 | SD Test 1 |
|---|---|---|
| Headache-Migraine Cluster | 2.63 | 3.42 |
| Anxiety-Mood Cluster | 1.81 | 3.55 |
| Cognitive Cluster | 2.58 | 4.2 |
| Ocular-Motor Cluster | 0.35 | 0.94 |
| Vestibular Cluster | 1.72 | 3.01 |
| Sleep Cluster | 2.72 | 4.03 |
| Total Symptom Score | 11.81 | 16.96 |
Two post-injury tests
341 concussion injuries
| Symptom Cluster | Mean Test 1 | SD Test 1 | Mean Test 2 | SD Test 2 |
|---|---|---|---|---|
| Headache-Migraine Cluster | 2.81 | 3.29 | 0.74 | 1.61 |
| Anxiety-Mood Cluster | 1.78 | 3.33 | 0.34 | 1.18 |
| Cognitive Cluster | 2.86 | 4.13 | 0.76 | 1.95 |
| Ocular-Motor Cluster | 0.32 | 0.9 | 0.08 | 0.35 |
| Vestibular Cluster | 1.8 | 2.94 | 0.31 | 1.01 |
| Sleep Cluster | 2.56 | 3.7 | 0.7 | 1.82 |
| Total Symptom Score | 12.14 | 15.96 | 2.93 | 6.63 |
Three post-injury tests
143 concussion injuries
| Symptom Cluster | Mean Test 1 | SD Test 1 | Mean Test 2 | SD Test 2 | Mean Test 3 | SD Test 3 |
|---|---|---|---|---|---|---|
| Headache-Migraine Cluster | 3.15 | 3.65 | 1.25 | 2.17 | 0.45 | 0.98 |
| Anxiety-Mood Cluster | 2.13 | 3.53 | 0.45 | 1.24 | 0.17 | 0.72 |
| Cognitive Cluster | 3.42 | 4.66 | 1.25 | 2.62 | 0.38 | 1.01 |
| Ocular-Motor Cluster | 0.42 | 1.02 | 0.12 | 0.44 | 0.01 | 0.12 |
| Vestibular Cluster | 2.19 | 3.41 | 0.52 | 1.27 | 0.09 | 0.35 |
| Sleep Cluster | 2.99 | 4.2 | 1.17 | 2.47 | 0.25 | 0.64 |
| Total Symptom Score | 14.31 | 17.98 | 4.76 | 8.73 | 1.36 | 2.54 |
Four post-injury tests
40 concussion injuries
| Symptom Cluster | Mean Test 1 | SD Test 1 | Mean Test 2 | SD Test 2 | Mean Test 3 | SD Test 3 | Mean Test 4 | SD Test 4 |
|---|---|---|---|---|---|---|---|---|
| Headache-Migraine Cluster | 3.85 | 4.04 | 1.48 | 2.35 | 0.88 | 1.45 | 0.4 | 1.37 |
| Anxiety-Mood Cluster | 2.83 | 3.75 | 0.55 | 1.3 | 0.22 | 0.58 | 0.03 | 0.16 |
| Cognitive Cluster | 4.12 | 5.45 | 1.45 | 2.66 | 0.6 | 1.32 | 0.4 | 1.92 |
| Ocular-Motor Cluster | 0.65 | 1.44 | 0.07 | 0.35 | 0 | 0 | 0 | 0 |
| Vestibular Cluster | 2.83 | 4.28 | 0.7 | 1.59 | 0.1 | 0.38 | 0.12 | 0.65 |
| Sleep Cluster | 4.18 | 5.42 | 1.85 | 3.55 | 0.38 | 0.84 | 0.17 | 0.59 |
| Total Symptom Score | 18.45 | 21.52 | 6.1 | 10.32 | 2.17 | 3.1 | 1.12 | 4.3 |